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http://dx.doi.org/10.4491/KSEE.2011.33.4.275

Bio-kinetic and Design Analysis of a Sequencing Batch Reactor by Aerobic Granular Sludge  

Choi, Seong-Woo (Department of Environmental Engineering, Dong-A University)
Publication Information
Journal of Korean Society of Environmental Engineers / v.33, no.4, 2011 , pp. 275-280 More about this Journal
Abstract
In the present work, the aerobic particle's characteristics were enhanced. A polymer was used to make aerobic granular sludge in short period of time. And operation parameters were calculated for organic matter removal in domestic wastewater using a sequencing batch reactor (SBR). The experiment for sewage (Influent concentration of 63~72 mg COD/L) by using mature aerobic granular sludge showed the organic matter removal rate k and oxygen utilization coefficient a', b' were $10.161d^{-1}$ and 0.87 mg $O_2/mg$ $COD_r$, 0.11 mg $O_2/mg$ MLVSS d respectively. Therefore, it was more effective than K value $5{\sim}8d^{-1}$ of conventional activated sludge process. The sludge synthetic value and sludge auto-oxydation value were 0.45 mg VSS/mg $COD_r$ and 0.05 mg VSS/mg MLVSS d respectively. Consequently, mortality rates of microorganisms was lower than conventional activated sludge process.
Keywords
Aerobic Granulation; SBR; Polymer; Organic Matter Removal Rate; Oxygen Utilization Coefficient;
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Times Cited By KSCI : 2  (Citation Analysis)
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